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  • Question

  • The polar moment of inertia of a hollow shaft of outer diameter (D) and inner diameter (d) is


  • Options
  • A. The polar moment of inertia of a hollow shaft of outer diameter (D) and inner diameter (d) is
  • B. The polar moment of inertia of a hollow shaft of outer diameter (D) and inner diameter (d) is
  • C. The polar moment of inertia of a hollow shaft of outer diameter (D) and inner diameter (d) is
  • D. The polar moment of inertia of a hollow shaft of outer diameter (D) and inner diameter (d) is

  • Correct Answer
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    • Strength of Materials problems

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    • 1. The polar modulus for a solid shaft of diameter (D) is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 2. The maximum deflection of a cantilever beam of length l with a uniformly distributed load of w per unit length is (where W = wl)

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 3. The point of contraflexure occurs in

    • Options
    • A. cantilever beams
    • B. simply supported beams
    • C. overhanging beams
    • D. fixed beams
      • Discuss
    • 4. The bending moment of a cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is __________ at the fixed end.

    • Options
    • A. wl/2
    • B. wl
    • C. wl2/2
    • D. wl2/6
      • Discuss
    • 5. When the shear force diagram is a parabolic curve between two points, it indicates that there is a

    • Options
    • A. point load at the two points
    • B. no loading between the two points
    • C. uniformly distributed load between the two points
    • D. uniformly varying load between the two points
      • Discuss
    • 6. The Poisson's ratio for cast iron varies from

    • Options
    • A. 0.33 to 0.37
    • B. 0.21 to 0.26
    • C. 0.31 to 0.34
    • D. 0.32 to 0.42
      • Discuss
    • 7. The rivets are made from ductile material.

    • Options
    • A. Yes
    • B. No
      • Discuss
    • 8. The maximum shear stress of a beam of triangular section occurs above the neutral axis,

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 9. For a beam, as shown in the below figure, the maximum deflection lies at

    • Options
    • A. from B
    • B. from A
    • C. from B
    • D. from A
      • Discuss
    • 10. The resultant stress on an inclined plane which is inclined at an angle ? to the normal cross-section of a body which is subjected to a direct tensile stress (?) in one plane, is

    • Options
    • A. ? sin ?
    • B. ? cos ?
    • C. ? sin 2?
    • D. ? cos 2?
      • Discuss

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